/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package ServletAction;

import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileItemFactory;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;

/**
 *
 * @author MrKoi
 */
public class UpImages extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            
            /* TODO output your page here
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet UpImages</title>");  
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet UpImages at " + request.getContextPath () + "</h1>");
            out.println("</body>");
            out.println("</html>");
             */
            
             out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet UpImages</title>");  
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Testing</h1>");
            boolean isMulti= ServletFileUpload.isMultipartContent(request);
            if(!isMulti){
            
            }else{
                FileItemFactory factory= new DiskFileItemFactory();
                ServletFileUpload upload=new ServletFileUpload(factory);
                List itemList= null;
                try{
                    itemList = upload.parseRequest(request);
                }catch(FileUploadException e){
                    e.printStackTrace();
                }
                Iterator iter= itemList.iterator();
                Hashtable params=new Hashtable();
                
                String fileName=null;
                while(iter.hasNext()){
                    FileItem item=(FileItem) iter.next();
                    if(item.isFormField()){
                        params.put(item.getFieldName(), item.getString());
                    }
                    else{
                        try{
                            String itemName=item.getName();
                            fileName=itemName.substring(itemName.lastIndexOf("\\")+1);
                            System.out.println("path: "+fileName);
                            String RealPath=getServletContext().getRealPath("/")+"Images\\image\\"+fileName;
                            System.out.println("Rpath: "+RealPath);
                            File savedFile=new File(RealPath);
                            item.write(savedFile);
                        } catch (Exception ex) {
                            ex.printStackTrace();                      
                        }
                    }
                    
                }
                
                 String username=(String)params.get("txtUser");
                String password=(String)params.get("txtPass");
                out.println("Username: "+username+"<br>");
                out.println("Password: "+password+"<br>");
                out.println("Images: <img src='Images/image/"+fileName+"'><br>");
               
                out.println("</body></html>");
                
            }
        } finally {            
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
